Bloc Designer Sunglasses has an obsessive desire for performance and cutting edge design. They have extended the boundaries of production materials, leading to the introduction of their latest XTR 1800 lens. The Bloc sports range is specifically engineered for high-adrenaline, high-altitude, high-speed activities for the discerning sportsman and woman. Bloc eyewear is tough, comfortable and superbly finished, giving active participants the best possible protection. They can be worn equally stylishly at home, on a leisurely day at the beach or by the pool.